/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.jena.util;

import junit.framework.*;

/**
 * TestFileUtils
 */
public class TestFileUtils extends TestCase {
    public TestFileUtils(String name) {
        super(name);
    }

    public static TestSuite suite() {
        return new TestSuite(TestFileUtils.class);
    }

    public void testLangXML() {
        assertEquals("RDF/XML", FileUtils.langXML);
    }

    public void testLangXMLAbbrev() {
        assertEquals("RDF/XML-ABBREV", FileUtils.langXMLAbbrev);
    }

    public void testLangNTriple() {
        assertEquals("N-TRIPLE", FileUtils.langNTriple);
    }

    public void testLangN3() {
        assertEquals("N3", FileUtils.langN3);
    }

    public void testLangTurtle() {
        assertEquals("TURTLE", FileUtils.langTurtle);
    }

    public void testGuessLangLowerCase() {
        assertEquals(FileUtils.langN3, FileUtils.guessLang("simple.n3"));
        assertEquals(FileUtils.langN3, FileUtils.guessLang("hello.there.n3"));
        assertEquals(FileUtils.langTurtle, FileUtils.guessLang("simple.ttl"));
        assertEquals(FileUtils.langTurtle, FileUtils.guessLang("hello.there.ttl"));
        assertEquals(FileUtils.langNTriple, FileUtils.guessLang("simple.nt"));
        assertEquals(FileUtils.langNTriple, FileUtils.guessLang("whats.up.nt"));
        assertEquals(FileUtils.langXML, FileUtils.guessLang("poggle.rdf"));
        assertEquals(FileUtils.langXML, FileUtils.guessLang("wise.owl"));
        assertEquals(FileUtils.langXML, FileUtils.guessLang("dotless"));
    }

    public void testGuessLangMixedCase() {
        assertEquals(FileUtils.langN3, FileUtils.guessLang("simple.N3"));
        assertEquals(FileUtils.langN3, FileUtils.guessLang("hello.there.N3"));
        assertEquals(FileUtils.langTurtle, FileUtils.guessLang("simple.TTL"));
        assertEquals(FileUtils.langTurtle, FileUtils.guessLang("hello.there.TTL"));
        assertEquals(FileUtils.langNTriple, FileUtils.guessLang("simple.NT"));
        assertEquals(FileUtils.langNTriple, FileUtils.guessLang("whats.up.Nt"));
        assertEquals(FileUtils.langXML, FileUtils.guessLang("poggle.rDf"));
        assertEquals(FileUtils.langXML, FileUtils.guessLang("wise.OwL"));
        assertEquals(FileUtils.langXML, FileUtils.guessLang("dotless"));
    }

    public void testGuessLangFallback() {
        assertEquals("spoo", FileUtils.guessLang("noSuffix", "spoo"));
        assertEquals("pots", FileUtils.guessLang("suffix.unknown", "pots"));
        assertEquals(FileUtils.langXML, FileUtils.guessLang("rdf.rdf", "spoo"));
        assertEquals(FileUtils.langXML, FileUtils.guessLang("rdf.owl", "spoo"));
    }

    public void testMisplacedDots() {
        assertEquals("spoo", FileUtils.guessLang("stuff.left/right", "spoo"));
        assertEquals("spoo", FileUtils.guessLang("stuff.left\\right", "spoo"));
    }

    public void testFilename1() {
        isFilename("foo");
    }

    public void testFilename2() {
        isFilename("foo/bar");
    }

    public void testFilename3() {
        isFilename("foo\\bar");
    }

    public void testFilename4() {
        isFilename("\\bar");
    }

    public void testFilename5() {
        isFilename("foo/bar");
    }

    public void testFilename6() {
        isFilename("c:foo");
    }

    public void testFilename7() {
        isFilename("c:\\foo");
    }

    public void testFilename8() {
        isFilename("c:\\foo\\bar");
    }

    public void testFilename9() {
        isFilename("file::foo");
    }

    public void testFilename10() {
        isNotFilename("http://www.hp.com/");
    }

    public void testFilename11() {
        isNotFilename("urn:tag:stuff");
    }

    public void testTranslateFilename1() {
        checkToFilename("file:Dir/File", "Dir/File");
    }

    public void testTranslateFilename2() {
        checkToFilename("c:\\Dir\\File", "c:\\Dir\\File");
    }

    public void testTranslateFilename3() {
        checkToFilename("unknown:File", null);
    }

    public void testTranslateFilename4() {
        checkToFilename("file:Dir/File With Space", "Dir/File With Space");
    }

    public void testTranslateFilename5() {
        checkToFilename("file:Dir/File%20With Enc%21", "Dir/File With Enc!");
    }

    public void testTranslateFilename6() {
        checkToFilename("file:///dir/file", "/dir/file");
    }

    public void testTranslateFilename7() {
        checkToFilename("file:///c:/dir/file", "/c:/dir/file");
    }

    public void testTranslateFilename8() {
        checkToFilename("file:file", "file");
    }

    public void testTranslateFilename9() {
        checkToFilename("file://file", "//file");
    }

    // Don't translate:
    public void testTranslateFilename10() {
        checkToFilename("Dir/File%20With Enc%21", "Dir/File%20With Enc%21");
    }

    public void testTranslateFilename11() {
        checkToFilename("Dir/File+With+Plus", "Dir/File+With+Plus");
    }

    public void testExtension_01() {
        extension("/a/b/c.ext", "ext");
    }

    public void testExtension_02() {
        extension("c:/a/b/c.ext", "ext");
    }

    public void testExtension_03() {
        extension("file://host/a/b/c.ext", "ext");
    }

    public void testExtension_04() {
        extension("file://host/a/b/c.", "");
    }

    public void testExtension_05() {
        extension("http://host/a/b/c.ext", "ext");
    }

    public void testExtension_06() {
        extension("https://host/a/b/c.ext", "ext");
    }

    public void testExtension_10() {
        extension("http://host/a/b/c.ext?param=value", "ext");
    }

    public void testExtension_11() {
        extension("https://host/a/b/c.ext?param=value", "ext");
    }

    public void testExtension_12() {
        extension("http://host/a/b/c?param=value", "");
    }

    public void testExtension_13() {
        extension("http://host/a/b/c?param=value.ext", "");
    }

    public void testExtension_14() {
        extension("http://host/a/b/c.ext?param=value.alt", "ext");
    }

    public void testExtension_15() {
        extension("https://host/a/b/c.x?param=value.alt", "x");
    }

    public void testExtension_16() {
        extension("https://host/a/b/c.?param=value.alt", "");
    }

    private static void extension(String filename, String expected) {
        String ext = FileUtils.getFilenameExt(filename);
        assertEquals(expected, ext);
    }

    void isFilename(String fn) {
        assertTrue("Should be a file name : " + fn, FileUtils.isFile(fn));
    }

    void isNotFilename(String fn) {
        assertFalse("Shouldn't be a  file name: " + fn, FileUtils.isFile(fn));
    }

    void checkToFilename(String url, String fn) {
        String t = FileUtils.toFilename(url);
        assertEquals("Wrong: " + t + " != " + fn, t, fn);
    }
}
